/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.huaweicloud.sdk.core.http;

/**
 * 并没有组合所有场景，是按照现在的web场景处理的
 *
 * @author HuaweiCloud_SDK
 */
public enum FieldExistence {
    // 必须存在，取值有效，不能为空。path变量归为此类
    NON_NULL_NON_EMPTY,
    // 必须存在，可以为空。query变量归为此类
    NON_NULL_ALLOW_EMPTY,
    // 允许不存在，例如query可选变量，NULL取值场景下忽略
    NULL_IGNORE
}
